.wrapper{
    margin: 0 auto;
    width: 1200px;
   
}
body{
    background-color:#f3f5f7;
}
.header{
    height: 100px;
    background-color: #fff;
}
.header .wrapper{
     display: flex;
    padding-top: 29px;
}
/* logo */
.header .wrapper .logo a{
    display: block;
    width: 195px;
    height: 41px;
    background-image: url(../images/logo.png);
    font-size: 0;

}
/* 导航 */
.nav{
    margin-left: 102px;
}
.nav ul{
    display: flex;
}
.nav li{
    margin-right: 24px;
}
.nav li a{
    display: block;
    padding: 6px 8px;
    line-height: 27px;
    font-size: 19px;
}
.nav li .active,
.nav li a:hover{
    border-bottom: 2px solid #00a4ff;
}
   /* 搜索 */
.search{
    display: flex;
    margin-left: 64px;
    padding-left: 19px;
    padding-right: 12px;
    width: 412px;
    height: 40px;
    background-color: #f3f5f7;
    border-radius: 20px;
}
.search input{
    flex: 1;
    /* 透明颜色 */
    background-color: transparent;
    border: 0;
    /* 去掉外边框 */
    outline: none;
}
.search input::placeholder{
    font-size: 14px;
    color: #999;
}
/* 父级是flex布局，子集加宽高生效 */
.search a{
    width: 16px;
    height: 16px;
    align-self: center;
    background-image: url(../images/search.png);
}

    /* 用户 */
    .user{
        margin-left: 32px;
        margin-top: 4px;
    }
    .user img{
        margin-right: 7px;
        /* vertical行内块和行内对齐方式 */
        vertical-align: middle;
    }
    .user span{
        font-size: 16px;
        color: #666;
    }

       /* banner区域 */

       /* left */
    .banner{
     height: 420px;
     background-color: #0092cb;
    }
    .banner .wrapper{
        display: flex;
        justify-content: space-between;
        height: 420px;
        background-image: url(../uploads/banner.png);
    }
    .banner .left{
        padding: 3px 20px;
        width: 191px;
        height: 420px;
        background-color: rgb(0, 0, 0 ,0.42);
    }
    .banner .left a{
        display: block;
        height: 46px;
        line-height: 46px;
        font-size: 16px;
        color:#fff ;
        background: url(../images/right.png) no-repeat right center ;
    }
    .banner .left a:hover{
        background-image: url(../images/right-hover.png);
        color: #00a4ff;
    }

    /* right  */
    .banner .right{
        width: 218px;
        height: 305px;
        margin-top: 60px;
        background-color: #209dd5;
        border-radius: 20px;
    }
    .banner .right h3{
        margin-left: 14px;
        height: 48px;
        line-height: 48px;
        font-size: 15px;
        color: #fff;
        font-weight: 400;
    }
    .banner .right .content{
        padding: 14px;
        height: 257px;
        background-color: #fff;
        border-radius: 10px;
    }
    .content dl{
    margin-bottom: 12px;
    border-bottom: 1px solid #e0e0e0;
    }
    .content dt{
        margin-bottom: 8px;
        font-weight: 700;
        font-size: 14px;
        line-height: 20px;

    }
    .content dd{
        margin-bottom: 8px;
        font-size: 12px;
        line-height: 16px;
    }
    .content dd span{
        color: #00a4ff;
    }
    .content dd strong{
    color: #7d7d7d;
    font-weight: 400;
    }
    .content a{
        display: block;
        width: 190px;
        height: 32px;
        line-height: 32px;
        border-radius: 15px;
        background-color: #00a4ff;
        text-align: center;
        font-size: 14px;
        color: #fff;
    }

    
   






